======================================
| # 76.73 [+0.00] [  948.546487] veth1: left allmulticast mode
| # 76.73 [+0.00] [  948.546820] veth1: left promiscuous mode
| # 76.73 [+0.00] [  948.547309] br1: port 1(veth1) entered disabled state
| # 76.73 [+0.00] [  993.302133] irq 51: nobody cared (try booting with the "irqpoll" option)
# 76.73 [+0.00] [  993.302706] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 76.74 [+0.00] [  993.302708] Call Trace:
# 76.74 [+0.00] [  993.302711]  <IRQ>
# 76.74 [+0.00] [  993.302714] dump_stack_lvl (lib/dump_stack.c:123) 
# 76.74 [+0.00] [  993.302740] __report_bad_irq (kernel/irq/spurious.c:205) 
# 76.74 [+0.00] [  993.302759] note_interrupt (kernel/irq/spurious.c:407) 
# 76.74 [+0.00] [  993.302768] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 76.74 [+0.00] [  993.302776] handle_edge_irq (kernel/irq/chip.c:791) 
# 76.74 [+0.00] [  993.302786] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:254 arch/x86/kernel/irq.c:266 arch/x86/kernel/irq.c:292) 
# 76.74 [+0.00] [  993.302796] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
# 76.74 [+0.00] [  993.302803]  </IRQ>
# 76.74 [+0.00] [  993.302805]  <TASK>
# 76.74 [+0.00] [  993.302809] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 76.75 [+0.00] [  993.302814] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 76.75 [+0.00] [ 993.302820] Code: 74 24 10 e8 c1 be 7c fd 48 89 ef e8 79 11 7d fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> fa 0e 71 fd 65 8b 05 13 7d b4 02 85 c0 74 0e 5b 5d c3 cc cc cc
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	c1 be 7c fd 48 89 ef 	sarl   $0xef,-0x76b70284(%rsi)
   b:	e8 79 11 7d fd       	call   0xfffffffffd7d1189
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 fa 0e 71 fd       	call   0xfffffffffd710f29		<-- trapping instruction
  2f:	65 8b 05 13 7d b4 02 	mov    %gs:0x2b47d13(%rip),%eax        # 0x2b47d49
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3

Code starting with the faulting instruction
===========================================
   0:	e8 fa 0e 71 fd       	call   0xfffffffffd710eff
   5:	65 8b 05 13 7d b4 02 	mov    %gs:0x2b47d13(%rip),%eax        # 0x2b47d1f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
# 76.75 [+0.00] [  993.302823] RSP: 0018:ffffc90003e77aa0 EFLAGS: 00000206
# 76.75 [+0.00] [  993.302827] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
# 76.75 [+0.00] [  993.302830] RDX: 0000000000000000 RSI: ffffffff9daa1be4 RDI: 0000000000000001
# 76.76 [+0.00] [  993.302832] RBP: ffffffffa09b4f00 R08: 0000000000000001 R09: 0000000000000001
# 76.76 [+0.00] [  993.302833] R10: ffffffff9e9fe5d7 R11: ffff888006288970 R12: 00000000ffffffff
# 76.76 [+0.00] [  993.302836] R13: 0000000000000001 R14: ffffffffa09b5008 R15: 00000000ffffffff
# 76.76 [+0.00] [  993.302852] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 76.76 [+0.00] [  993.302873] process_output_block (drivers/tty/n_tty.c:561) 
# 76.76 [+0.00] [  993.302881] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 76.76 [+0.00] [  993.302889] n_tty_write (drivers/tty/n_tty.c:2378) 
# 76.76 [+0.00] [  993.302900] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2348) 
# 76.77 [+0.00] [  993.302907] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 76.77 [+0.00] [  993.302918] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
# 76.77 [+0.00] [  993.302921] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 76.77 [+0.00] [  993.302931] iterate_tty_write (drivers/tty/tty_io.c:1016) 
# 76.77 [+0.00] [  993.302938] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 76.77 [+0.00] [  993.302945] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 76.77 [+0.00] [  993.302953] vfs_write (fs/read_write.c:593 fs/read_write.c:686) 
# 76.77 [+0.00] [  993.302967] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# 76.77 [+0.00] [  993.302971] ? __pfx_vfs_write (fs/read_write.c:667) 
# 76.77 [+0.00] [  993.302980] ? clockevents_program_event (kernel/time/clockevents.c:326) 
# 76.78 [+0.00] [  993.302995] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# 76.78 [+0.00] [  993.303001] ? irqentry_exit (kernel/entry/common.c:311) 
# 76.78 [+0.00] [  993.303010] ksys_write (fs/read_write.c:738) 
# 76.78 [+0.00] [  993.303015] ? __pfx_ksys_write (fs/read_write.c:728) 
# 76.78 [+0.00] [  993.303021] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:654 ./include/linux/cpumask.h:1210 ./include/trace/events/preemptirq.h:40) 
# 76.78 [+0.00] [  993.303034] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# 76.78 [+0.00] [  993.303040] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 76.78 [+0.00] [  993.303043] RIP: 0033:0x7f8d32befb77
# 76.78 [+0.00] [ 993.303048] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
# 76.79 [+0.00] [  993.303051] RSP: 002b:00007ffe45dc6b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 76.79 [+0.00] [  993.303054] RAX: ffffffffffffffda RBX: 000055daae6df3f0 RCX: 00007f8d32befb77
# 76.79 [+0.00] [  993.303056] RDX: 0000000000000001 RSI: 000055daae6df3f0 RDI: 0000000000000001
# 76.79 [+0.00] [  993.303057] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 76.80 [+0.00] [  993.303059] R10: 0000000000000001 R11: 0000000000000246 R12: 000055daae6ca5e0
# 76.80 [+0.00] [  993.303061] R13: 000055daae6ab2a0 R14: 0000000000000001 R15: 000055daae6ca5e0
| make: Leaving directory '/home/virtme/testing-4/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> [  993.302133][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  993.302706][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  993.302708][    C0] Call Trace:
[  993.302711][    C0]  <IRQ>
[ 993.302714][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 993.302740][ C0] __report_bad_irq (kernel/irq/spurious.c:205) 
[ 993.302759][ C0] note_interrupt (kernel/irq/spurious.c:407) 
[ 993.302768][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 993.302776][ C0] handle_edge_irq (kernel/irq/chip.c:791) 
[ 993.302786][ C0] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:254 arch/x86/kernel/irq.c:266 arch/x86/kernel/irq.c:292) 
[ 993.302796][ C0] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
[  993.302803][    C0]  </IRQ>
[  993.302805][    C0]  <TASK>
[ 993.302809][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 993.302814][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 993.302820][ C0] Code: 74 24 10 e8 c1 be 7c fd 48 89 ef e8 79 11 7d fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> fa 0e 71 fd 65 8b 05 13 7d b4 02 85 c0 74 0e 5b 5d c3 cc cc cc
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	c1 be 7c fd 48 89 ef 	sarl   $0xef,-0x76b70284(%rsi)
   b:	e8 79 11 7d fd       	call   0xfffffffffd7d1189
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 fa 0e 71 fd       	call   0xfffffffffd710f29		<-- trapping instruction
  2f:	65 8b 05 13 7d b4 02 	mov    %gs:0x2b47d13(%rip),%eax        # 0x2b47d49
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3

Code starting with the faulting instruction
===========================================
   0:	e8 fa 0e 71 fd       	call   0xfffffffffd710eff
   5:	65 8b 05 13 7d b4 02 	mov    %gs:0x2b47d13(%rip),%eax        # 0x2b47d1f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
[  993.302823][    C0] RSP: 0018:ffffc90003e77aa0 EFLAGS: 00000206
[  993.302827][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
[  993.302830][    C0] RDX: 0000000000000000 RSI: ffffffff9daa1be4 RDI: 0000000000000001
[  993.302832][    C0] RBP: ffffffffa09b4f00 R08: 0000000000000001 R09: 0000000000000001
[  993.302833][    C0] R10: ffffffff9e9fe5d7 R11: ffff888006288970 R12: 00000000ffffffff
[  993.302836][    C0] R13: 0000000000000001 R14: ffffffffa09b5008 R15: 00000000ffffffff
[ 993.302852][ C0] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 993.302873][ C0] process_output_block (drivers/tty/n_tty.c:561) 
[ 993.302881][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 993.302889][ C0] n_tty_write (drivers/tty/n_tty.c:2378) 
[ 993.302900][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2348) 
[ 993.302907][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 993.302918][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 993.302921][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 993.302931][ C0] iterate_tty_write (drivers/tty/tty_io.c:1016) 
[ 993.302938][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 993.302945][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 993.302953][ C0] vfs_write (fs/read_write.c:593 fs/read_write.c:686) 
[ 993.302967][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 993.302971][ C0] ? __pfx_vfs_write (fs/read_write.c:667) 
[ 993.302980][ C0] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 993.302995][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 993.303001][ C0] ? irqentry_exit (kernel/entry/common.c:311) 
[ 993.303010][ C0] ksys_write (fs/read_write.c:738) 
[ 993.303015][ C0] ? __pfx_ksys_write (fs/read_write.c:728) 
[ 993.303021][ C0] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:654 ./include/linux/cpumask.h:1210 ./include/trace/events/preemptirq.h:40) 
[ 993.303034][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 993.303040][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  993.303043][    C0] RIP: 0033:0x7f8d32befb77
[ 993.303048][ C0] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  993.303051][    C0] RSP: 002b:00007ffe45dc6b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  993.303054][    C0] RAX: ffffffffffffffda RBX: 000055daae6df3f0 RCX: 00007f8d32befb77
[  993.303056][    C0] RDX: 0000000000000001 RSI: 000055daae6df3f0 RDI: 0000000000000001
[  993.303057][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  993.303059][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055daae6ca5e0


Finger prints:
__report_bad_irq:note_interrupt:handle_irq_event:handle_edge_irq:__common_interrupt